The combination of 5G, AI, IoT and big data were evangelised at MWC as generating massive scope for the transformation of multiple industries. 

That much is probably true, but it is the tech and consultancy companies who will likely receive the benefits, with connectivity revenue likely to be modest.

For the operators, 5G brings more capacity much needed for hungry smartphone users, and perhaps the opportunity to transform themselves into a leaner operating model.
 

Mobile service revenue growth dipped this quarter but this was likely entirely due to the predictable (and predicted) impact of the abolition of EU roaming surcharges.  On an underlying basis, growth improved

BT/EE extended its lead in both service revenue and contract subscriber growth terms. EE’s substantial investments in network quality and customer service have driven returns to scale, and its multi-brand approach is working well

Contrasting with the returns to scale seen at EE, TalkTalk’s MVNO has suffered the reverse of this, unable to break-even despite peaking at just shy of 1 million customers, and deciding to retreat to an agency model.  Sky Mobile is performing respectably well in context, but may be headed for scale issues itself